Bug 258579

Summary:	Avoid evaluating layer backing store contents twice per update
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	Compositing	Assignee:	Simon Fraser (smfr) <simon.fraser>
Status:	REOPENED ---
Severity:	Normal	CC:	commit-queue, simon.fraser, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Local Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	258858
Bug Blocks:

Description Simon Fraser (smfr) 2023-06-27 10:02:37 PDT

RenderLayerBacking::updateDirectlyCompositedBoxDecorations() is called from both updateConfiguration() and updateAfterDescentands(), so can do redundant work.

Comment 1 Radar WebKit Bug Importer 2023-06-27 10:02:57 PDT

<rdar://problem/111397321>

Comment 2 Simon Fraser (smfr) 2023-06-27 10:23:48 PDT

Pull request: https://github.com/WebKit/WebKit/pull/15339

Comment 3 EWS 2023-06-28 10:17:42 PDT

Committed 265587@main (7f4d81cc368a): <https://commits.webkit.org/265587@main>

Reviewed commits have been landed. Closing PR #15339 and removing active labels.

Comment 4 WebKit Commit Bot 2023-07-04 10:44:26 PDT

Re-opened since this is blocked by bug 258858